Composure Max Liquid is recommended for pets exposed to increased environmental stressors, such as traveling, boarding, thunderstorms, trips to the vet, grooming, and other stressful situations. This formula contains three main ingredients that work together to support calming and relaxation without affecting the pet’s energy levels or personality.The C3 colostrum calming complex supports stress reduction and cognitive function; L-Theanine helps the body produce other amino acids to bring certain neurotransmitters back into balance; and B vitamins (thiamine) affect the central nervous system to help calm anxious animals.